RT6576DGQW

{
  "slug": "rt6576dgqw",
  "version": "0.1.0",
  "type": "component",
  "description": "Richtek Tech DC-DC Converters, WQFN-20-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "rt6576dgqw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rt6576dgqw.kicad_sym",
    "rt6576dgqw.kicad_mod",
    "rt6576dgqw.glb",
    "rt6576dgqw.step",
    "rt6576dgqw.lbr",
    "docs/hero.png",
    "docs/rt6576dgqw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rt6576dgqw-hero.glb",
    "rt6576dgqw-hero.overlay.json",
    "rt6576dgqw-etched.glb"
  ],
  "component": {
    "mpn": "RT6576DGQW",
    "manufacturer": "Richtek Tech",
    "package": "WQFN-20-EP(3x3)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590236521208459264",
    "parts": {
      "symbol": "rt6576dgqw.kicad_sym",
      "footprint": "rt6576dgqw.kicad_mod",
      "model_3d": "rt6576dgqw-hero.glb",
      "model_3d_plain": "rt6576dgqw-etched.glb",
      "model_3d_step": "rt6576dgqw-etched.step",
      "model_3d_step_plain": "rt6576dgqw.step",
      "lbr": "rt6576dgqw.lbr"
    },
    "distributor_links": {
      "lcsc": "C3034132"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:50:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS1",
        "type": "input",
        "description": "Channel 1 current-limit setting input: a resistor to GND sets the threshold to 1/8 of the CS1 voltage over a 0.2V to 2V range, fed by an internal 10µA source from LDO5."
      },
      {
        "number": "2",
        "name": "FB1",
        "type": "input",
        "description": "Channel 1 feedback input: a resistive divider from VOUT1 to GND sets the output from 2V to 5.5V."
      },
      {
        "number": "3",
        "name": "LDO3",
        "type": "power_out",
        "description": "3.3V linear regulator output that is always on when VIN is above the VINPOR threshold, rated up to 100mA."
      },
      {
        "number": "4",
        "name": "FB2",
        "type": "input",
        "description": "Channel 2 feedback input: a resistive divider from VOUT2 to GND sets the output from 2V to 4V."
      },
      {
        "number": "5",
        "name": "CS2",
        "type": "input",
        "description": "Channel 2 current-limit setting input: a resistor to GND sets the threshold to 1/8 of the CS2 voltage over a 0.2V to 2V range, fed by an internal 10µA source from LDO5."
      },
      {
        "number": "6",
        "name": "EN2",
        "type": "input",
        "description": "Channel 2 enable input with 1.6V minimum logic-high and 0.4V maximum logic-low thresholds."
      },
      {
        "number": "7",
        "name": "PGOOD",
        "type": "output",
        "description": "Open-drain power-good output for Channel 1 and Channel 2 (logical AND) that requires a pull-up resistor and is released when both outputs are above 88% of nominal."
      },
      {
        "number": "8",
        "name": "PHASE2",
        "type": "passive",
        "description": "Channel 2 switch node that serves as the internal lower supply rail for the UGATE2 driver and as the Channel 2 current-sense input."
      },
      {
        "number": "9",
        "name": "BOOT2",
        "type": "power_out",
        "description": "Bootstrap supply for the Channel 2 high-side gate driver, connected to an external capacitor per the typical application circuit."
      },
      {
        "number": "10",
        "name": "UGATE2",
        "type": "output",
        "description": "Channel 2 high-side gate driver output that swings between PHASE2 and BOOT2."
      },
      {
        "number": "11",
        "name": "LGATE2",
        "type": "output",
        "description": "Channel 2 low-side gate driver output that swings between GND and LDO5."
      },
      {
        "number": "12",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input for the 5V and 3.3V LDO regulators and buck controllers, with a 5V to 25V recommended operating range and 30V absolute maximum."
      },
      {
        "number": "13",
        "name": "LDO5",
        "type": "power_out",
        "description": "5V linear regulator output that also supplies the low-side MOSFET gate drivers and the analog circuitry, rated up to 100mA."
      },
      {
        "number": "14",
        "name": "BYP1",
        "type": "power_in",
        "description": "Switch-over source input for LDO5 that connects to the Channel 1 output, bypassing LDO5 once VOUT1 exceeds the 4.66V threshold."
      },
      {
        "number": "15",
        "name": "LGATE1",
        "type": "output",
        "description": "Channel 1 low-side gate driver output that swings between GND and LDO5."
      },
      {
        "number": "16",
        "name": "UGATE1",
        "type": "output",
        "description": "Channel 1 high-side gate driver output that swings between PHASE1 and BOOT1."
      },
      {
        "number": "17",
        "name": "BOOT1",
        "type": "power_out",
        "description": "Bootstrap supply for the Channel 1 high-side gate driver, connected to an external capacitor per the typical application circuit."
      },
      {
        "number": "18",
        "name": "PHASE1",
        "type": "passive",
        "description": "Channel 1 switch node that serves as the internal lower supply rail for the UGATE1 driver and as the Channel 1 current-sense input."
      },
      {
        "number": "19",
        "name": "VCLK",
        "type": "output",
        "description": "Oscillator output for an external charge pump, operating at a typical 260kHz and driven from BYP1."
      },
      {
        "number": "20",
        "name": "EN1",
        "type": "input",
        "description": "Channel 1 enable input with 1.6V minimum logic-high and 0.4V maximum logic-low thresholds."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Ground exposed pad that must be soldered to a large PCB and connected to GND for maximum power dissipation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin configuration diagram on page 2 is garbled in the extracted text, so the pin-to-position map; The RT6576DGQW is the 'D' variant (LDO3/LDO5 always on) in the WQFN-20L 3x3 (QW) package. The pinout; Pin types for BOOTx and BYP1 (power_out and power_in) and PHASEx (passive) are assigned from their f"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0453,
        "at": "2026-10-20T17:48:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590236521208459264",
        "pages": 22,
        "sha256": "7f62ce8acae8f459",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rt6576dgqw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
          3.0,
          0.52
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0ee4e1082236390795238cd34b082d96efd160d6292c636cc40201a5a30cdc63",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rt6576dgqw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f70294ee74a90b0e021583978264d5db2b8bae7f503a8841727bb4308fb613a4",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}